Influence of Intermolecular Interactions on Valence Tautomeric Behaviors in Two Polymorphic Dinuclear Cobalt Complexes

Guo Ling Li, Shinji Kanegawa, Zi Shuo Yao, Sheng Qun Su, Shu Qi Wu, You Gui Huang, Soonchul Kang, Osamu Sato

研究成果: ジャーナルへの寄稿学術誌査読

13 被引用数 (Scopus)

抄録

Two polymorphic structures have been well determined in a valence tautomeric (VT) dinuclear cobalt complex. These polymorphs showed distinct thermal- and photomagnetic behavior, and are thus ideal for studying the “pure” intermolecular factors to VT transitions. In polymorph 1A, the VT cations are arranged head-to-waist with their neighbors and exhibit weak π⋅⋅⋅π interactions, resulting in a gradual and incomplete thermal VT transition. In contrast, the cations in polymorph 1B are arranged head-to-tail and exhibit relatively strong π⋅⋅⋅π interactions, leading to an abrupt and complete thermal VT transition with adjustable hysteresis loop at around room temperature. The VT process for both polymorphs can be induced by light, but the light-excited state of 1B⋅2H2O has a higher thermal relaxation temperature than that of 1A⋅3H2O.

本文言語英語
ページ(範囲)17130-17135
ページ数6
ジャーナルChemistry - A European Journal
22
48
DOI
出版ステータス出版済み - 11月 21 2016

!!!All Science Journal Classification (ASJC) codes

  • 触媒
  • 有機化学

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